Finding the Fourth Proportional to 34,084.59, 51,128.73 and 10,390.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,084.59 : 51,128.73 = 10,390.34 : x
2. Step 2: Convert to fraction form
   34,084.59/51,128.73 = 10,390.34/x
3. Step 3: Cross multiply
   34,084.59x = 51,128.73 × 10,390.34
4. Step 4: Simplify right side
   34,084.59x = 531,244,888.47
5. Step 5: Solve for x
   x = 531,244,888.47/34,084.59
6. Step 6: Final answer
   x = 15,586.07